Question 9

In the following question, select the missing number from the given series.

3, 4, 5, 4, 9, 10, 6, 16, 15, 9, 25, 20, 13, 36, ?

Solution

The given series is a combination of three series with a gap of 2 letters between them which are :

I : 3 , 4 , 6 , 9 , 13

II : 4 , 9 , 16 , 25 , 36

III : 5 , 10 , 15 , 20

The missing letter is after 36, so it's part of the third series. Clearly, next letter in this series = 25

=> Ans - (B)

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